Rigorous Estimation of Local Accuracies
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VIEW THE REPLYPublication: Journal of Surveying Engineering
Volume 136, Issue 3
Abstract
This technical note introduces a rigorous calculation of “local accuracies.” The term local accuracies refers to the relative error between two arbitrary points (uncertainty of one point with respect to the other), expressed in a local horizon three-dimensional reference frame , that were connected using any geodetic-surveying methodology [optical procedures, global positioning system (GPS), etc.]. It is calculated as a function of the full global Cartesian variance-covariance matrix of the coordinates of the points defining the spatial network.
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Acknowledgments
The writers would like to thank the contribution of Nishanthi Wijekoon in drawing the figures.
References
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Information & Authors
Information
Published In
Journal of Surveying Engineering
Volume 136 • Issue 3 • August 2010
Pages: 120 - 125
Copyright
© 2010 ASCE.
History
Received: May 26, 2009
Accepted: Nov 17, 2009
Published online: Dec 29, 2009
Published in print: Aug 2010
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